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36 lines
1012 B
C++
36 lines
1012 B
C++
#ifndef _HP_CRYPTO_H_
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#define _HP_CRYPTO_H_
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#include <sodium.h>
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/**
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* Offers convenience functions for cryptographic operations wrapping libsodium.
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* These functions are used for contract config and user/peer message authentication.
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*/
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namespace crypto
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{
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// Prefix byte to append to ed25519 keys.
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static unsigned char KEYPFX_ed25519 = 0xED;
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// Prefixed public key bytes.
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static size_t PFXD_PUBKEY_BYTES = crypto_sign_PUBLICKEYBYTES + 1;
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// Prefixed secret key bytes.
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static size_t PFXD_SECKEY_BYTES = crypto_sign_SECRETKEYBYTES + 1;
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int init();
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void generate_signing_keys(std::string &pubkey, std::string &seckey);
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std::string sign(std::string_view msg, std::string_view seckey);
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std::string sign_hex(std::string_view msg, std::string_view seckeyhex);
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int verify(std::string_view msg, std::string_view sig, std::string_view pubkey);
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int verify_hex(std::string_view msg, std::string_view sighex, std::string_view pubkeyhex);
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std::string get_hash(std::string_view data);
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} // namespace crypto
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#endif |